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Home >> Volkswagen >> 2012 >> Passat TDI SEL >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (2.0L - Generic Scan Tool - Engine Code: CVCA) >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> Nox Sensor Control Module -J583-, CHECKING >> Function
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Nox Sensor Control Module -J583-, CHECKING: Function

WARNING: This page is about a different car, the 2015 Volkswagen Passat. However, it is still accessible from the selected car via links, so may be relevant.

The Nox Sensor Control Module -J583- monitor their integrated knock sensors and report conditions via CAN bus to the Engine Control Module - J623- to reduce engine knock.

The Nox Sensor Control Module -J583- components cannot be serviced separately, it must be serviced as a unit.

The Nox Sensor Control Module 2 -J881- components cannot be serviced separately, it must be serviced as a unit.

Special tools and workshop equipment required